Now it's 30 days.
Great, but it really doesn't seem like as big a change as politicians are pretending it is.
https://www.china-briefing.com/news/china-visa-free-travel-p...
Pre applying is usually less stressful as you are trying to do your best to show that are ok. Just showing up is a not great for either side.
I often wonder the reasoning.
All you had to do was filling a form with the personal details at the arrival airport (and of course, a valid passport).